WASHINGTON — The massive hack of background check records at the Office of Personnel Management compromised the data of 21.5 million people — five times more than were affected by an initial ...

Protesters hold signs in solidarity with the American Federation of Government Employees of District 14 at a rally in support of federal workers at the Office of Personnel Management in Washington, DC ...

Hackers stole sensitive information on 21.5 million people in the recently disclosed breach of the federal government’s background ... in the Office of Personnel Management.

Donna Seymour, who served as chief information officer for the Office of Personnel Management during a series of catastrophic breaches of federal personnel and background check records in 2014, ...

The records maintained by the Office of Personnel Management, or OPM ... when China is believed to have obtained the background investigations of more than 20 million people seeking security ...